diff -r 675a964f4eb5 -r 35751d3474b7 crypto/weakcryptospi/test/tcryptospi/src/hashincrementalhashstep.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crypto/weakcryptospi/test/tcryptospi/src/hashincrementalhashstep.cpp	Thu Sep 10 14:01:51 2009 +0300
@@ -0,0 +1,238 @@
+/*
+* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+* Example CTestStep derived implementation
+*
+*/
+
+
+/**
+ @file
+ @internalTechnology
+*/
+#include "hashincrementalhashstep.h"
+
+#include <cryptospi/cryptohashapi.h>
+#include <cryptospi/plugincharacteristics.h>
+
+using namespace CryptoSpi;
+
+CHashIncrementalHashStep::~CHashIncrementalHashStep()
+	{
+	}
+
+
+CHashIncrementalHashStep::CHashIncrementalHashStep()
+	{
+	SetTestStepName(KHashIncrementalHashStep);
+	}
+
+
+TVerdict CHashIncrementalHashStep::doTestStepPreambleL()
+	{
+	SetTestStepResult(EPass);
+	return TestStepResult();
+	}
+
+
+TVerdict CHashIncrementalHashStep::doTestStepL()
+	{
+	if (TestStepResult()==EPass)
+		{
+		
+		//Assume faliure, unless all is successful
+		SetTestStepResult(EFail);
+		
+		INFO_PRINTF1(_L("*** Hash - Incremental Hash ***"));
+		INFO_PRINTF2(_L("HEAP CELLS: %d"), User::CountAllocCells());
+		
+		TVariantPtrC algorithmUid;
+		TVariantPtrC operationModeUid;
+		TPtrC sourcePath;
+		TPtrC expectedHash;
+		
+		//Extract the Test Case ID parameter from the specified INI file
+		if(!GetStringFromConfig(ConfigSection(),KConfigAlgorithmUid,algorithmUid) ||
+			!GetStringFromConfig(ConfigSection(),KConfigOperationMode,operationModeUid) ||
+			!GetStringFromConfig(ConfigSection(),KConfigSourcePath,sourcePath) ||
+			!GetStringFromConfig(ConfigSection(),KConfigExHashHmacValue,expectedHash))
+			{
+			ERR_PRINTF1(_L("** Error: Failed to Load Configuration Parameters **"));
+			SetTestStepResult(EFail);
+			}
+		else
+			{
+			//Create a pointer for the Hash Implementation Object
+			CHash* hashImpl = NULL;
+			
+			//Retrieve a Hash Factory Object
+			TRAPD(err,CHashFactory::CreateHashL(hashImpl,
+												algorithmUid,
+												operationModeUid,
+												NULL,
+												NULL));  			
+	
+			if(hashImpl && (err==KErrNone))
+				{
+				
+				//Push the Hash Implementation Object onto the Cleanup Stack
+				CleanupStack::PushL(hashImpl);
+				
+				RFs fsSession;
+				
+				//Create a connection to the file server	
+				err = fsSession.Connect();
+					
+				if(err != KErrNone)
+					{
+					ERR_PRINTF2(_L("*** Error: File Server Connection - %d ***"), err);
+					SetTestStepResult(EFail);
+					}	
+				else
+					{
+					RFile sourceFile;
+					CleanupClosePushL(sourceFile);
+	    			
+	    			//Open the specified source file		
+	    			err = sourceFile.Open(fsSession,sourcePath, EFileRead);
+	    					
+	    			if(err != KErrNone)
+						{
+						ERR_PRINTF2(_L("*** Error: Opening Source File - %d ***"), err);
+						SetTestStepResult(EFail);
+						}
+					else
+						{
+						
+						TInt sourceLength = 0;
+						TInt readPosition = 0;
+						TInt readIncrement = 0;
+						TBool hashComplete = EFalse;
+						TPtrC8 hashStr;
+						
+						User::LeaveIfError(sourceFile.Size(sourceLength));
+						
+						//Divide the total size of the source file up into individual equal sized blocks to read
+						//over several increments
+						readIncrement = sourceLength/KDataReadBlocks;
+												
+						do 
+							{
+							//Create a heap based descriptor to store the data
+							HBufC8* sourceData = HBufC8::NewL(readIncrement);
+							CleanupStack::PushL(sourceData);
+							TPtr8 sourcePtr = sourceData->Des();
+							
+							//Read in a block of data from the source file from the current position
+							err = sourceFile.Read(readPosition,sourcePtr,readIncrement);
+							
+							//Update the read position by adding the number of bytes read
+							readPosition += readIncrement;
+							
+							if(readPosition == readIncrement)
+								{
+								//Read in the first block from the data file into the Hash implementation object
+								hashImpl->Hash(*sourceData);
+								INFO_PRINTF2(_L("Intial Hash - Bytes Read: %d"), readPosition);
+								}
+							else if(readPosition >= sourceLength)
+								{
+								//Reading in the final block, constructs the complete hash value and returns it within a TPtrC8
+								hashStr.Set(hashImpl->Final(*sourceData));
+								
+								//Sets the Complete Flag to ETrue in order to drop out of the loop
+								hashComplete = ETrue;
+								
+								TInt totalRead = (readPosition - readIncrement) + (*sourceData).Length();
+								INFO_PRINTF2(_L("Final Hash - Bytes Read: %d"),totalRead);
+								}
+							else
+								{
+								//Update the message data within the Hash object with the new block
+								hashImpl->Update(*sourceData);
+								INFO_PRINTF2(_L("Hash Update - Bytes Read: %d"), readPosition);
+								}
+							
+							CleanupStack::PopAndDestroy(sourceData);
+								
+							}while(hashComplete == EFalse);
+							
+						//Create a NULL TCharacteristics pointer
+						const TCharacteristics* charsPtr(NULL);
+						
+						//Retrieve the characteristics for the hash implementation object
+						TRAP_LOG(err, hashImpl->GetCharacteristicsL(charsPtr));
+						
+						//Static cast the characteristics to type THashCharacteristics
+						const THashCharacteristics* hashCharsPtr = static_cast<const THashCharacteristics*>(charsPtr);
+						
+						//The hash output size is returned in Bits, divide by 8 to get the Byte size
+						TInt hashSize = hashCharsPtr->iOutputSize/8;
+						
+						//Retrieve the final 8bit hash value and convert to 16bit												
+						HBufC* hashData = HBufC::NewLC(hashSize);
+						TPtr hashPtr = hashData->Des();
+						
+						//Copy the hashed content into the heap based descriptor
+						hashPtr.Copy(hashStr);
+						
+					 	//Take the 16bit descriptor and convert the string to hexadecimal
+						TVariantPtrC convertHash;
+						convertHash.Set(hashPtr);
+						HBufC* hashResult = convertHash.HexStringLC();
+						
+						INFO_PRINTF2(_L("*** Hashed Data: %S ***"),&*hashResult);
+						INFO_PRINTF2(_L("*** Expected Hash: %S ***"),&expectedHash);
+						
+						//If the returned hash value matches the expected hash, Pass the test									
+						if(*hashResult == expectedHash)
+							{
+							INFO_PRINTF1(_L("*** Hash - Incremental Hash : PASS ***"));
+							SetTestStepResult(EPass);	
+							}
+						else
+							{
+							ERR_PRINTF2(_L("*** FAIL: Hashed and Expected Value Mismatch  ***"), err);
+							SetTestStepResult(EFail);	
+							}
+						
+						CleanupStack::PopAndDestroy(hashResult);
+						CleanupStack::PopAndDestroy(hashData);						
+						}
+					
+					//Cleanup the Source RFile	
+					CleanupStack::PopAndDestroy();	
+					}
+
+				fsSession.Close();
+				
+				CleanupStack::PopAndDestroy(hashImpl);	
+				}
+			else
+				{
+				ERR_PRINTF2(_L("*** FAIL: Failed to Create Hash Object - %d ***"), err);
+				SetTestStepResult(EFail);	
+				}
+			}
+		}
+		
+	INFO_PRINTF2(_L("HEAP CELLS: %d"), User::CountAllocCells());
+	return TestStepResult();
+	}
+
+
+TVerdict CHashIncrementalHashStep::doTestStepPostambleL()
+	{
+	return TestStepResult();
+	}